947876141 has 2 divisors, whose sum is σ = 947876142. Its totient is φ = 947876140.

The previous prime is 947876131. The next prime is 947876173. The reversal of 947876141 is 141678749.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509811241 + 438064900 = 22579^2 + 20930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-947876141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947876131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473938070 + 473938071.

It is an arithmetic number, because the mean of its divisors is an integer number (473938071).

Almost surely, 2^947876141 is an apocalyptic number.

It is an amenable number.

947876141 is a deficient number, since it is larger than the sum of its proper divisors (1).

947876141 is an equidigital number, since it uses as much as digits as its factorization.

947876141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 947876141 is about 30787.5971943249. The cubic root of 947876141 is about 982.3144453802.

The spelling of 947876141 in words is "nine hundred forty-seven million, eight hundred seventy-six thousand, one hundred forty-one".